Figure 1. NRP1, TMPRSS2 and ACE2 expression in human normal tissue and their interrelation with other genes. (A) The expression levels of NRP1 in human tissues. (B) The expression levels of TMPRSS2 in human tissues. (C) The correlation between certain genes and NRP1, TMPRSS2, ACE2 in LUAD, LUSC, STAD and PRAD.